CN87211016U - Motor-driven roller - Google Patents
Motor-driven roller Download PDFInfo
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- CN87211016U CN87211016U CN 87211016 CN87211016U CN87211016U CN 87211016 U CN87211016 U CN 87211016U CN 87211016 CN87211016 CN 87211016 CN 87211016 U CN87211016 U CN 87211016U CN 87211016 U CN87211016 U CN 87211016U
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- motor
- cylinder
- planetary gear
- reducing mechanism
- end cap
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Abstract
The utility model relates to a motor-driven roller that a motor and a planetary gear reduction mechanism are directly arranged in a roller. The utility model is only provided with a layer of rotatable casing body which has three functions, that is a fixing casing body of the motor, the fixing casing body of the planetary gear reduction mechanism and the roller, which makes the complete structure of the motor-driven roller become simpler. The utility model has the advantages of small size and light weight. The motor-driven roller can be used as motor-driven wheel hubs of motor-driven bicycles or various elevators, hoisting machines, hoisters, winches and motor-driven rollers on belt driving machines.
Description
The utility model relates to a kind of motor and the planetary gear reducing mechanism cylinder in-to-in motorized pulleys of directly packing into.
The mechanically all normal use of the electric wheel hub of Electrical Bicycle and elevator, gig, winch, winch and belt-driving is a kind of directly inserts cylinder in-to-in motorized pulleys with motor and planetary gear reducing mechanism.This motorized pulleys are not provided with power transmitting mechanism between motor and planetary gear reducing mechanism and cylinder, motor, planetary gear reducing mechanism and cylinder needn't be provided with separately, but triplicity is integral.Therefore, compact conformation, easy to use.The TJ type motorized pulleys that " power " made in Japan employed motorized pulleys of board winch and Tianjin Transport Machinery two factories produce all are such motorized pulleys.Chinese patent CN85205116 has announced a kind of " bicycle electric booster " also is that the principle design of using this motorized pulleys forms.The motor of this motorized pulleys is for independently whole, and motor case maintains static, and stator is fixed on the casing.Speed reduction gearing adopts planetary gear reducing mechanism, it is made up of eccentric shaft, planetary wheel, center inner gear and W isogonism speed mechanism, and wherein, the center inner gear is fixed on the planetary gear reducing mechanism housing that can not rotate, decelerated movement is by the output of W isogonism speed mechanism, and head roll rotates again.The cylinder that rotates holds the location by bearing in the stationary housing upper support, and cylinder can be rotated around stationary housing.Therefore, whole motorized pulleys have just had the stationary housing that comprises motor case and planetary gear reducing mechanism housing and the two-layer housing of cylinder of rotation, complex structure, and required part is more, and volume weight is still bigger.
Task of the present utility model is, a kind of the motorized pulleys that the housing that one deck can rotate is set are provided, to simplify the structure of motorized pulleys, and further reduced volume and expendable weight.
The utility model is finished as follows: omit the fixedly casing of motor and the stationary housing of planetary gear reducing mechanism, the center inner gear of motor stator and planetary gear reducing mechanism is combined into the integral body of a rotation with cylinder, and the three does constant angular velocity together and rotates.Decelerated movement is by the output of center inner gear, and head roll turns round.
Planetary gear reducing mechanism can preferentially be selected the fewer differential teeth planetary decelerator structure for use.When selecting cycloid pin tooth planetary gear speed reducing mechanism for use, the pin tooth of organization center inner gear can be fixed on the end cap that fuses with cylinder, when adopting the involute planetary gear speed reduction gearing, the center inner gear can be set directly on the inwall of cylinder.
These motorized pulleys only are provided with the housing that one deck can rotate.Simple in structure, volume is little, and is in light weight, produces easy to use.
These motorized pulleys can be used as the electric wheel hub of Electrical Bicycle or as the motorized pulleys in elevator, gig, winch, winch and the belt-driving machinery.When the bicycle electric wheel hub, can between the W of planetary gear reducing mechanism isogonism speed mechanism and central fixed shaft, set up power-transfer clutch, so that electric wheel hub can be realized is electronic, manpower drives and electronic manpower three kinds of drive forms of driving jointly.During as above-described various mechanically motorized pulleys, can between rotor and eccentric shaft, (or other axial location) set up stopping brake mechanism, make motorized pulleys have the automatic train stop function.
Narrate an embodiment below in conjunction with accompanying drawing.
Fig. 1 motorized pulleys constructional drawing, wherein:
1-half countersunk head screw 2-central fixed shaft
3-nut 4-thrust washer
5-ball bearing of main shaft 6-needle bearing
7-packing ring 8-bearing cap shim
9-double-eccentric shaft 10-current colector
11-commutator 12-left end cap
13-carbon brush 14-constant force spring
15-permanent-magnet steel 16-cylinder
17-tightening screw 18-iron core
19-armature loop 20-pin gear sleeve
21-pin tooth bolt 22-dividing plate
The 23-cylinder tip cover 24-cylinder tip
25-cylinder tip dish 26-right end cap
27-ball bearing of main shaft 28-needle bearing
The 29-system is turned round cushion block 30-steel ball
31-flat key 32-planetary wheel
33-half-round head screw 34-half countersunk head screw
The 35-system is turned round cushion block
Fig. 2 is along the A-A line cutaway view of Fig. 1
Fig. 3 is along the B-B line cutaway view of Fig. 1, wherein:
The 36-flat head screw
Fig. 4 permanent-magnet steel scheme drawing, wherein NS shows magnetic pole
Fig. 5 commutator scheme drawing, wherein, the 37-commutator segment
The cylinder of present embodiment (16), left end cap (12) and right end cap (26) fuse, and rely on ball bearing of main shaft (5) and needle bearing (28) to be bearing on the central fixed shaft (2), and the three can be rotated around central fixed shaft (2) together.
Motor is a permanent magnet dc motor, and the main pole of stator is two pairs of utmost points, is made of permanent-magnet steel (15), as Fig. 4.Permanent-magnet steel (15) is fitted on cylinder (16) inwall, and with two tightening screws (17) locking, sees Fig. 2.
On four brush carriers on left end cap (12) right side, put into a carbon brush (13) respectively, and load onto constant force spring (14).Current colector (10), current collection are loaded onto in right end cap (12) left side
Should keep insulation between ring (10) and the left end cap (12).By the scott connection of two pairs of utmost points, respectively two carbon brushes (13) of homopolarity are connected with lead, draw two leads, wherein one and current colector (10) connection, another then connects left end cap (12).Below promptly constitute the left end cap assembly.
In 16 screws on outer ring, right end cap (26) left side 16 pairs of pin tooth bolts (21) and needle guard (20) are installed, are formed the center inner gear of cycloid pin tooth planetary gear speed reducing mechanism.It more than is the right end cap assembly.
Armature core (18) is formed by the folded riveting of silicon steel plate.In four wire casings of (18) unshakable in one's determination, load onto armature loop (19) referring to Fig. 2.Each organize the end of a thread by the scott connection of two pairs of utmost points respectively with commutator (11) on commutator segment (37) connect.Commutator (11) is done commutator segment (37) with copper plate, is formed by phenolaldehyde moulding compound hot pressing.Its shape such as Fig. 5.With 4 half-round head screws (33) commutator (11) being fixed in iron core (18) left side, more than is armature assembly.
Planetary gear reducing mechanism adopts cycloid pin tooth planetary gear speed reducing mechanism.It is made up of (9) two identical planetary wheels of double-eccentric shaft (32), center inner gear and garden post tip dish (25) (being W isogonism speed mechanism), referring to Fig. 1, Fig. 3.Two planetary wheels (32) are symmetricly set on the reverse accentric double-eccentric shaft (9), with the caused centrifugal inertia force of eccentric motion of balance planetary wheel (32), improve run stability.The center inner gear is made up of 16 pairs of pin tooth bolts (21) that are fixed in right end cap (26) and pin gear sleeve (20), so the center inner gear can rotate with cylinder (16).Garden post tip dish (25) is threaded into central fixed shaft (2) and can not rotates.Garden post tip dish (25) forms bearing fit by the garden post tip (24) and garden post tip cover (23) with planetary wheel (32).Double-eccentric shaft (9) keeps the cooperation of rolling by the needle bearing (6) of its left end and the concentricity anchor shaft of ball bearing of main shaft (27) (2) of right-hand member.Do to roll by steel ball (30) between planetary wheel (32) and the double-eccentric shaft (9) and cooperate, and load onto flat head screw (36), deviate to prevent steel ball (30).With flat key (31) and another nut (3) armature assembly is fixed on the double-eccentric shaft (9).Armature, central fixed shaft (2), double-eccentric shaft (9), planetary wheel (32) and garden post tip dish (25) have promptly constituted the movement assembly.
The center inner gear number of teeth of cycloid pin tooth planetary gear speed reducing mechanism is 16, and the number of teeth of planetary wheel (32) is 15, and speed ratio is 15:1.
Left end at the movement assembly puts a thrust washer (4) and left end cap assembly, is pressed into ball bearing of main shaft (5) then, is inserted in bearing cap shim (8), packing ring (7) and another system again and turns round cushion block (35).4 half countersunk head screws (1) are locked in 4 screw holes of left end cap (12) outer ring, made the left end cap assembly be fixed on the cylinder (16).At cylinder (16) right-hand member, the right end cap assembly of packing into, right end cap (26) are done to roll by needle bearing (28) and central fixed shaft (2) and are cooperated, and with 8 half countersunk head screws (34) the right end cap assembly are lock onto cylinder (16) right-hand member.Central fixed shaft (2) right-hand member is inserted in a system again turns round cushion block (29).Like this, left end cap assembly, cylinder (16), right end cap assembly and movement assembly just are assembled into complete motorized pulleys, as Fig. 1.Left end cap assembly, cylinder (16) (comprising the stator on its inwall) and right end cap assembly promptly are combined into the integral body that can rotate around central fixed shaft (2) together.
Establish a dividing plate (22) between cycloid pin tooth planetary gear speed reducing mechanism and the motor, to prevent the oil pollution motor in the speed reduction gearing.Speed reduction gearing adopts machine oil to mix with molybdenum disulphide and is lubricated.
Keep moving contact with an outer carbon brush and current colector (10).Outer carbon brush power connection negative pole, positive source connects central fixed shaft (2).Flow through central fixed shaft (2), right end cap (12), anodal carbon brush (13) and commutator (11) of positive electrical enters armature loop (19), electric current is got back to power cathode by commutator (11), negative pole carbon brush (13), current colector (10) and outer carbon brush behind armature loop (19).
After armature loop (19) feeds electric current, armature just drives double-eccentric shaft (9) and rotates, drive planetary wheel (32) running, because garden post tip dish (25) is fixed in central fixed shaft (2) and can not rotates, therefore, planetary wheel (32) is not done spinning motion, and can only do eccentric revolution, thereby make the therefrom intracardiac gear of decelerated movement (pin tooth) output, drive right end cap assembly, cylinder (16) and left end cap assembly and do the rotation of slowing down together, realize the purpose of deceleration force amplifier.At this moment, it is whole that motor stator and center inner gear and cylinder (16) promptly become a rotation.This integral body has had electric machine casing, cylinder and three functions of planetary gear speed-reduction housing concurrently, makes whole motorized pulleys that the stationary housing of fixed motor case and planetary gear reducing mechanism needn't be set.
The motorized pulleys of present embodiment can be used as the electric wheel hub of Electrical Bicycle.Assembling does not fix between garden post tip dish (25) and central fixed shaft (2), the power-transfer clutch (as mono-directional overrun clutch) of garden post tip dish (25) rotation can be controlled and set up, three kinds of drive forms of the common driving of manpower driving, driven by power and manpower electric power can be realized to deny.Motor uses 24 volts of direct supplys, 130 watts of rating horsepowers, the time scooter 15-20 kilometer of Electrical Bicycle.This bicycle electric wheel hub volume is little, in light weight, but direct mount is on the various ordinary bicycles of 20 " 28 ".Produce, install, use all very convenient.
Claims (3)
1, a kind of motorized pulleys, mainly form by motor, planetary gear reducing mechanism and cylinder three parts, its motor and the planetary gear reducing mechanism cylinder inside of directly packing into, and rotor and planetary gear reducing mechanism are assemblied on the same turning cylinder, it is characterized in that: the center inner gear of motor stator and planetary gear reducing mechanism and cylinder 16 constitute one and rotate whole.
2, motorized pulleys according to claim 1 is characterized in that the center inner gear of planetary gear reducing mechanism is fixed on the end cap that fuses with cylinder 16.
3, motorized pulleys according to claim 1 is characterized in that the main pole of motor stator is made of permanent-magnet steel 15, and are locked on cylinder 16 inwalls with tightening screw 17.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87211016 CN87211016U (en) | 1987-07-25 | 1987-07-25 | Motor-driven roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87211016 CN87211016U (en) | 1987-07-25 | 1987-07-25 | Motor-driven roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN87211016U true CN87211016U (en) | 1988-05-25 |
Family
ID=4825883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 87211016 Withdrawn CN87211016U (en) | 1987-07-25 | 1987-07-25 | Motor-driven roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN87211016U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103121636A (en) * | 2011-11-18 | 2013-05-29 | 吴小杰 | Constant braking outer cylinder hypocycloid speed reducing winding engine |
| CN103121634A (en) * | 2011-11-18 | 2013-05-29 | 吴小杰 | Constant braking hypocycloid speed reducing winding engine |
| CN105329791A (en) * | 2015-10-29 | 2016-02-17 | 中国船舶重工集团公司第七一〇研究所 | Winch integrated with motor |
| CN111509907A (en) * | 2020-05-19 | 2020-08-07 | 重庆大学 | Floating disc type cycloidal hub motor |
-
1987
- 1987-07-25 CN CN 87211016 patent/CN87211016U/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103121636A (en) * | 2011-11-18 | 2013-05-29 | 吴小杰 | Constant braking outer cylinder hypocycloid speed reducing winding engine |
| CN103121634A (en) * | 2011-11-18 | 2013-05-29 | 吴小杰 | Constant braking hypocycloid speed reducing winding engine |
| CN103121634B (en) * | 2011-11-18 | 2015-07-29 | 陈伟 | Permanent braking inner cycloid reducer winch |
| CN103121636B (en) * | 2011-11-18 | 2015-09-09 | 陈伟 | Permanent braking urceolus inner cycloid reducer winch |
| CN105329791A (en) * | 2015-10-29 | 2016-02-17 | 中国船舶重工集团公司第七一〇研究所 | Winch integrated with motor |
| CN111509907A (en) * | 2020-05-19 | 2020-08-07 | 重庆大学 | Floating disc type cycloidal hub motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |